Steve backs off physically at the wave, but gets the bottle out of his shirt pocket with a slight rattle, pops the lid so Clint doesn't need to fuck with the child safety and just puts it on the ground within easy reach.

Then grabs his bottle and rocks back to sit on the ground, taking him back a couple of feet further than he'd been.

"Sounds good. I'll grab them and you can put them where you want them when we get back. I'm probably going to eat." Not so much the calories, though also that. Mostly to get himself the rest of the way back down to planet earth. Clint ... he suspects is going to take longer to get to that one, but that's nothing more or less elaborate than a guess. "How's the inside of your head feeling?"